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Antibodies and Immunocytokines

US 9,567,399 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Feb 17, 2026 (Rvibc Lender LLC).

Term ends Jul 15, 2036 · High confidence

Filed Jul 15, 2016 as application 15/211,504 · Granted Feb 14, 2017
Base term, 20 years from filing
Today
20 years from filing
2016 2036
Clock starts
Jul 15, 2016
Term ends
Jul 15, 2036
Granted
Feb 14, 2017
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jul 15, 2016, when this application, 15/211,504, was filedJul 15, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 15, 2036High confidence

This family

US 9,567,399this patent
Jul 2036
Jul 2036
US 9,617,338In force
Jul 2036
Jul 2036
US 10,604,576In force
Jul 2036
Jul 2036
US 9,957,323In force
Jul 2036
Jul 2036
US 11,858,996In force
Jul 2036
Jul 2036
Application 17/727,288Abandoned
not computed
not computed
Application 17/727,309Pending
not computed
not computed
Application 18/499,431Pending
not computed
not computed
8 of 9 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Sep 22, 2016
Reel 40112, frame 895
Gillies, Stephen D; Van Krinks, Cassandra; Arkinstall, Steve; Kirby, Ian; Kosmac, Miha; Gallagher, Thomas; Germaschewski, Volker; Nee Waddell, Nikole Sandy; Campbell, JamieKymab LimitedAssignment of Assignor's Interest
Feb 17, 2026
Reel 74878, frame 973
Immunobrain Checkpoint, Inc.Rvibc Lender LLCSecurity Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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